Fix generation tests

src/spikeinterface/generation/tests/test_hybrid_tools.py

@@ -7,7 +7,7 @@
     generate_templates,
     generate_unit_locations,
 )
-from spikeinterface.preprocessing.motion import correct_motion, load_motion_info
+from spikeinterface.preprocessing.motion import correct_motion
 from spikeinterface.generation.hybrid_tools import (
     estimate_templates_from_recording,
     generate_hybrid_recording,
@@ -35,8 +35,10 @@ def test_generate_hybrid_with_sorting():
 
 
 def test_generate_hybrid_motion():
-    rec, _ = generate_ground_truth_recording(sampling_frequency=20000, durations=[10], seed=0)
-    _, motion_info = correct_motion(rec, output_motion_info=True)
+    rec, _ = generate_ground_truth_recording(sampling_frequency=20000, durations=[10], num_channels=16, seed=0)
+    _, motion_info = correct_motion(
+        rec, output_motion_info=True, estimate_motion_kwargs={"win_step_um": 20, "win_scale_um": 20}
+    )
     motion = motion_info["motion"]
     hybrid, sorting_hybrid = generate_hybrid_recording(rec, motion=motion, seed=0)
     assert rec.get_num_channels() == hybrid.get_num_channels()

src/spikeinterface/sortingcomponents/motion/motion_utils.py

@@ -309,8 +309,8 @@ def get_spatial_windows(
 
         if num_windows < 1:
             raise Exception(
-                f"get_spatial_windows(): win_step_um/win_scale_um/win_margin_um are too large for the probe size. "
-                "You can try to reduce them or use rigid motion."
+                f"get_spatial_windows(): {win_step_um=}/{win_scale_um=}/{win_margin_um=} are too large for the "
+                f"probe size (depth range={np.ptp(contact_depths)}). You can try to reduce them or use rigid motion."
             )
         border = ((max_ - min_) % win_step_um) / 2
         window_centers = np.arange(num_windows + 1) * win_step_um + min_ + border